UNDERVOLTAGE RELEASE
The aim of the invention is to guarantee a multi-pole, especially three-pole, protection for an low voltage switchgear (3) by means of an undervoltage release (2). A rectifier bridge (4) with a number of rectifier branches (4a, 4b, 4c) f...

LOW VOLTAGE SWITCHGEAR WITH BIMETALLIC ACTUATOR
The invention relates to a low voltage switchgear with a bimetallic actuator, especially to a motor safety switch or a power switch. The aim of the invention is to improve such a low voltage switchgear so that the fabrication and assembl...

CIRCUIT BREAKER
A circuit breaker (10) for use in a power/load circuit formed by a three-phase AC power supply (11) and a load (12) connected to the power supply (11) by means of three live power lines (R-R', S-S' & T-T'). The circuit breaker (10) compr...

WO/2000/036623A1

CIRCUIT BREAKER WITH MULTIPLE TEST SWITCH ASSEMBLY
A circuit breaker including a switch assembly for initiating one of at least two test conditions. The switch assembly is coupled ot a circuit board, an integrated circuit mounted thereon, and a solenoid, such that upon the initiation of ...

THERMAL OVERLOAD RELAY PROVIDED WITH A SPRING LEAF MECHANISM
The invention concerns an electromechanical protective relay comprising deformable bimetal switches in the event of overload in power lines. A triggering mechanism acts on a flexible blistering segment (20) which can pivot by means of a ...

CIRCUIT BREAKER WITH A RATED CURRENT PLUG CONNECTOR
An electric circuit breaker (1) contains an electronic tripping unit (5) for processing a signal of a current sensor (4) and a rated current plug connector (11) which interacts with the tripping unit (5). According to the invention, a re...

WO/2000/019474A1

ELECTRIC CIRCUIT BREAKER HAVING A DATA STORE
The invention relates to an electric circuit breaker (1) which comprises an electronic overcurrent release (4) for processing a signal emitted by a current sensor (6). A flexible connecting lead (5) is provided to connect the current sen...

WO1999063563A9

DEVICE FOR COUPLING TWO ATTACHED MODULAR ELECTRICAL ELEMENTS
The invention concerns a compact electrical block consisting of two modular elements (D, P) attached along one of their side surfaces, and comprising fixing means maintaining them in contact with each other in said configuration thereby ...

BATTERY MASTER SWITCH, ESPECIALLY FOR MOTOR VEHICLES
The battery master switch has a housing that can be placed on the positive terminal of the battery and a pole terminal (4) that can be jammed tightly onto the positive terminal inside the housing (1,2). A fixed disconnecting contact (8) ...

WO/1999/063563A1

DEVICE FOR COUPLING TWO ATTACHED MODULAR ELECTRICAL ELEMENTS
The invention concerns a compact electrical block consisting of two modular elements (D, P) attached along one of their side surfaces, and comprising fixing means maintaining them in contact with each other in said configuration thereby ...

WO/1999/060596A1

CONTACT MECHANISM FOR ELECTRONIC OVERLOAD RELAYS
The potential for an unreliable indication of a tripped overload relay is eliminated in a trip mechanism for an overload relay that includes a housing, and armature mounted in the housing for movement between two contact opening or closi...

WO/1999/060594A1

CONTACT MECHANISM FOR ELECTRONIC OVERLOAD RELAYS
Ease of assembly, inexpensive construction and improved reliability may be achieved in a trip mechanism for an overload relay including a housing (10) containing a bistable armature (18) mounted in the housing (10) on a pivot (16) for pi...

WO/1999/053587A1

A RESETTABLE IMMERSION DETECTING CIRCUIT INTERRUPTER (IDCI)
A leakage current interrupter (Fig. 23) comprising a trip mechanism (178) that operates automatically in response to the presence of a shock hazard condition. Actuation of the trip mechanism (178) automatically interrupts the flow of cur...

LOW-VOLTAGE POWER BREAKER WITH AN AUXILIARY RELEASE
The invention relates to a low-voltage power breaker with an auxiliary release or an auxiliary release module. Electrical connection of the auxiliary release is simplified by means of a plug-in connector device (10, 17) for direct connec...

WO/1999/030340A1

SWITCHGEAR UNIT WITH LEADING AUXILIARY SWITCH
The auxiliary switch (2) has a slide (5) with a gate (14) as an actuating element that engages with the reversing lever (13) acting upon the contact carrier (11). After a first actuation stage, in which the slide (5) pushes the contact c...

PROTECTIVE SWITCHGEAR
A protective switchgear (1), in particular a fault-current protective switchgear, has a sensor circuit (2) for driving a first circuit-breaker (10) for a switch lock mechanism (12) which is coupled to a switching shaft (25) in order to a...

EARTH LEAKAGE CIRCUIT BREAKER
A low-cost earth leakage circuit breaker which comprises a less number of parts and can be assembled easily. The earth leakage circuit breaker is highly reliable, has the same external size as those of the same class of wiring circuit br...

WO/1998/035372A1

MODULAR ACCESSORY MECHANICAL LOCKOUT MECHANISM
A lockout solenoid is connected with the circuit breaker accessory shunt trip in a high ampere rated circuit breaker and interacts with the circuit breaker accessory lever to prevent the closing of the circuit breaker contacts until the ...

WO/1998/034260A1

SWITCHING DEVICE WITH UNDER-VOLTAGE AUXILIARY RELEASE
The invention relates to a switching device with under-voltage auxiliary switch, characterized in that it enables combining low activating force with a simple structural design. This is achieved by close coupling between the activating e...

ZERO CURRENT CIRCUIT INTERRUPTION
Each pole of a multi-pole circuit breaker is equipped to individually separate the circuit breaker contacts within each pole upon overcurrent occurrence. A digital processor within the circuit breaker trip unit determines the occurrence ...

PROCESS FOR ADJUSTING A THERMAL OVERLOAD CUT-OUT
A process is disclosed for adjusting thermal overload cut-outs. After bimetal strips (1) are synchronised and a release mechanism (3) is possibly pre-adjusted, a current is applied for a certain time to the bimetal strips (1), and the ac...

WO/1997/038432A1

CIRCUIT BREAKER ACCESSORY MODULE ACTUATORS
The present invention provides an accessory module for monitoring and controlling the status of a circuit breaker. The accessory module attaches to the side of a circuit breaker and has a mechanism similar to the mechanism in a circuit b...

WO/1997/038431A1

CIRCUIT BREAKER ACCESSORY MODULE CIRCUIT BOARD
The present invention provides an accessory module for monitoring and controlling the status of a circuit breaker. The accessory module attaches to the side of a circuit breaker and has a mechanism similar to the mechanism in a circuit b...

THERMAL TRIGGERING SYSTEM
In a thermal triggering system (1) with bimetal strips (2), a slide (3), a switching component (5) to trigger a switching process and a differential lever (4) which is secured to the slide (3) and, when the latter is moved in the pushing...

ELECTRICAL CIRCUIT BREAKER
The electrical circuit breaker has a main line (terminals 41, 42) to be protected, a test circuit (terminals 43, 44), a test key (2) and an electrical signalling device (49). The electrical signalling device (49) is situated in the housi...

WO/1996/016424A1

A FUSE ARRANGEMENT
A fuse arrangement in a distribution fuse-board (10) including a fitting (20, 30) which is connected to the fuse-board and which accommodates a fuse holder (70) for connecting a fuse (100) in the fuse holder to a phase-conductor in the f...

WO/1996/015460A1

CURRENT TRANSDUCERS
A device for detecting low magnitude electrical currents comprises a generally toroidally-shaped member (10) of a magnetic material provided with an air gap (14) and a magneto-resistive device in the form of a bridge (16) disposed in the...

CURRENT IMBALANCE SENSOR
A current imbalance sensor comprising a toroidal core and output winding assembly (11) and a first electrical conductor (16) in the form of a tubular element of non-magnetic material extending co-axially through the toroidal assembly (11...

WO/1996/003759A1

MODULE FOR USE WITH A MINIATURE CIRCUIT BREAKER
A module for use with the circuit breaker, the module being arranged to be mounted on an end of the circuit breaker and to monitor and/or control the circuit breaker and/or an electrical circuit control thereby in use. The module can be ...

WO/1996/001488A1

ELECTRICALLY CONTROLLED TRIPPING MECHANISM
A detent mechanism comprising a support member having a fixed seating member comprising opposite sides; a first spring for exerting a first spring force, disposed between one side of the fixed seating member and a first sliding member, f...

WO/1996/001487A1

DETENT MECHANISM
The invention provides a controllable detent or latch and release mechanism the stiffness of which can be altered by the application of for instance an electric field. The stiffness of the device overall is a combination of a mechanical ...